Testing the cognitive-behavioural maintenance models across DSM-5 bulimic-type eating disorder diagnostic groups: a multi-centre study

Antonios Dakanalis, Giuseppe Carrà, Rachel Calogero, Maria Assunta Zanetti, Santino Gaudio, Riccardo Caccialanza, Giuseppe Riva, Massimo Clerici

Risultato della ricerca: Contributo in rivistaArticolo in rivista

40 Citazioni (Scopus)


The original cognitive-behavioural (CB) model of bulimia nervosa, which provided the basis for the widely used CB therapy, proposed that specific dysfunctional cognitions and behaviours maintain the disorder. However, amongst treatment completers, only 40-50 % have a full and lasting response. The enhanced CB model (CB-E), upon which the enhanced version of the CB treatment was based, extended the original approach by including four additional maintenance factors. This study evaluated and compared both CB models in a large clinical treatment seeking sample (N = 679), applying both DSM-IV and DSM-5 criteria for bulimic-type eating disorders. Application of the DSM-5 criteria reduced the number of cases of DSM-IV bulimic-type eating disorders not otherwise specified to 29.6 %. Structural equation modelling analysis indicated that (a) although both models provided a good fit to the data, the CB-E model accounted for a greater proportion of variance in eating-disordered behaviours than the original one, (b) interpersonal problems, clinical perfectionism and low self-esteem were indirectly associated with dietary restraint through over-evaluation of shape and weight, (c) interpersonal problems and mood intolerance were directly linked to binge eating, whereas restraint only indirectly affected binge eating through mood intolerance, suggesting that factors other than restraint may play a more critical role in the maintenance of binge eating. In terms of strength of the associations, differences across DSM-5 bulimic-type eating disorder diagnostic groups were not observed. The results are discussed with reference to theory and research, including neurobiological findings and recent hypotheses.
Lingua originaleEnglish
pagine (da-a)663-676
RivistaEuropean Archives of Psychiatry and Clinical Neuroscience
Stato di pubblicazionePubblicato - 2015


  • Binge eating
  • Bulimic-type eating disorders
  • Cognitive-behavioural theory
  • DSM-5
  • Latent variable structural equation modelling
  • Maintenance factors


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